19430135489019 has 8 divisors (see below), whose sum is σ = 25906922649360. Its totient is φ = 12953385994016.

The previous prime is 19430135489003. The next prime is 19430135489059. The reversal of 19430135489019 is 91098453103491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19430135489019 - 2⁴ = 19430135489003 is a prime.

It is a super-2 number, since 2×19430135489019² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19430135489019.

It is not an unprimeable number, because it can be changed into a prime (19430135489059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8189832 + ... + 10292405.

It is an arithmetic number, because the mean of its divisors is an integer number (3238365331170).

Almost surely, 2^{19430135489019} is an apocalyptic number.

19430135489019 is a deficient number, since it is larger than the sum of its proper divisors (6476787160341).

19430135489019 is a wasteful number, since it uses less digits than its factorization.

19430135489019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18832669.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 19430135489019 in words is "nineteen trillion, four hundred thirty billion, one hundred thirty-five million, four hundred eighty-nine thousand, nineteen".